To research capital punishment with the databases, try:

• Gale Opposing Viewpoints - Choose Browse Issues and select Capital Punishment.

• ABC-Clio: American Government - Search for Capital Punishment.  The results include a timeline, statistics, and information on methods, as well as specific cases.  Main article features the history of the death penalty.

• Oyez

Credible Websites:

• Gallup Polls

• Death Penalty Information Center

• NY Times: Capital Punishment